Home / 87,442,790.32-120,681,689.88-50,773,360.24

Finding the Fourth Proportional to 87,442,790.32, 120,681,689.88 and 50,773,360.24

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Solution

The fourth proportional to 87,442,790.32, 120,681,689.88 and 50,773,360.24 is: 70,073,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442,790.32 : 120,681,689.88 = 50,773,360.24 : x
  2. Step 2: Convert to fraction form
    87,442,790.32/120,681,689.88 = 50,773,360.24/x
  3. Step 3: Cross multiply
    87,442,790.32x = 120,681,689.88 × 50,773,360.24
  4. Step 4: Simplify right side
    87,442,790.32x = 6,127,414,914,649,202
  5. Step 5: Solve for x
    x = 6,127,414,914,649,202/87,442,790.32
  6. Step 6: Final answer
    x = 70,073,414.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.